Iris Plus Graphics 645 vs Radeon R9 M390
In this comparison between Iris Plus Graphics 645 and Radeon R9 M390 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Plus Graphics 645 will be the best choice, for others Radeon R9 M390 will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 645 and Radeon R9 M390 are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Radeon R9 M390 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Plus Graphics 645 or Radeon R9 M390 here:
Main Specs
Iris Plus Graphics 645
Radeon R9 M390
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M390 - with GCN.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M390 - by 28 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
4−5
18−20
ultra / 1080p
2−3
10−11
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
12−14
35−40
medium / 1080p
5−6
21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 266% more, than Iris Plus Graphics 645.
high / 1080p
−
27−30
ultra / 1080p
7−8
24−27
QHD / 1440p
0−1
10−12
4K / 2160p
−
7−8
low / 720p
16−18
60−65
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 263% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Iris Plus Graphics 645 and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
220−230
medium / 768p
80−85
190−200
ultra / 1080p
35−40
110−120
QHD / 1440p
24−27
65−70
4K / 2160p
−
35−40
high / 768p
60−65
150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 143% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
45−50
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 28% more, than Iris Plus Graphics 645.
low / 768p
65−70
110−120
medium / 768p
45−50
100−110
ultra / 1080p
21−24
70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 115% more, than Iris Plus Graphics 645.
high / 1080p
5−6
21−24
ultra / 1080p
5−6
18−20
QHD / 1440p
−
16−18
4K / 2160p
3−4
7−8
low / 720p
12−14
45−50
medium / 1080p
5−6
21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 283% more, than Iris Plus Graphics 645.
high / 1080p
12−14
27−30
ultra / 1080p
8−9
21−24
QHD / 1440p
−
16−18
low / 720p
45−50
110−120
medium / 1080p
12−14
60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 185% more, than Iris Plus Graphics 645.
high / 1080p
8−9
30−33
ultra / 1080p
−
21−24
QHD / 1440p
0−1
12−14
4K / 2160p
−
10−12
low / 720p
16−18
60−65
medium / 1080p
9−10
30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 281% more, than Iris Plus Graphics 645.
low / 768p
40−45
95−100
medium / 768p
35−40
85−90
high / 1080p
7−8
35−40
ultra / 1080p
5−6
14−16
QHD / 1440p
0−1
5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 156% more, than Iris Plus Graphics 645.
high / 1080p
3−4
10−12
ultra / 1080p
2−3
9−10
4K / 2160p
0−1
3−4
low / 720p
7−8
35−40
medium / 1080p
4−5
14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 350% more, than Iris Plus Graphics 645.
low / 768p
85−90
110−120
high / 1080p
80−85
−
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 32% more, than Iris Plus Graphics 645.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
18−20
low / 720p
24−27
65−70
medium / 1080p
16−18
27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than Iris Plus Graphics 645.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
7−8
30−35
medium / 1080p
−
18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 200% more, than Iris Plus Graphics 645.
low / 768p
16−18
65−70
medium / 768p
12−14
40−45
high / 1080p
6−7
21−24
ultra / 1080p
5−6
12−14
4K / 2160p
−
9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 260% more, than Iris Plus Graphics 645.
low / 768p
80−85
100−110
medium / 768p
35−40
65−70
ultra / 1080p
14−16
35−40
high / 768p
30−33
55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 60% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Radeon R9 M390
Architecture
Gen. 9.5 Coffee Lake
GCN
Code name
Kaby Lake GT3e
Pitcairn
Type
Laptop
Laptop
Release date
10 July 2019
9 June 2015
Pipelines
48
1024
Core clock speed
300 MHz
Boost Clock
1150 MHz
Transistor count
5000 Million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
Memory bus width
256 Bit
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
OpenGL
4.6
4.4
OpenCL
2.1
Not Listed
Vulkan
1.1.103
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
242 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Quick Sync
+
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